probes::IOSPing - Cisco IOS Probe for SmokePing *** Probes *** + IOSPing binary = /usr/bin/remsh packetsize = 1024 forks = 1 ++ PROBE_CONF ioshost = router iosuser = user iosint = source_address Integrates Cisco IOS as a probe into smokeping. Uses the rsh / remsh protocol to run a ping from an IOS device. The binary and ioshost options are mandatory. The binary option specifies the path of the binary to be used to connect to the IOS device. Commonly used binaries are /usr/bin/rsh and /usr/bin/remsh, although any script or binary should work if can be called as /path/to/binary [ -l user ] router ping to produce the IOS ping dialog on stdin & stdout. The (optional) packetsize option lets you configure the packetsize for the pings sent. The (optional) forks options lets you configure the number of simultaneous remote pings to be run. NB Some IOS devices have a maximum of 5 VTYs available, so be careful not to hit a limit. The ioshost option specifies the IOS device which should be used for the ping. The (optional) iosuser option allows you to specify the remote username the IOS device. If this option is omitted, the username defaults to the default user used by the remsh command (usually the user running the remsh command, ie the user running SmokePing). The (optional) iosint option allows you to specify the source address or interface in the IOS device. The value should be an IP address or an interface name such as "Ethernet 1/0". If this option is omitted, the IOS device will pick the IP address of the outbound interface to use. The IOS device must have rsh enabled and an appropriate trust defined, eg: ! ip rcmd rsh-enable ip rcmd remote-host smoke 192.168.1.2 smoke enable !

Password authentication
It is not possible to use password authentication with rsh or remsh due to fundamental limitations of the protocol.

Ping packet size
The FPing manpage has the following to say on the topic of ping packet size: Number of bytes of ping data to send. The minimum size (normally 12) allows room for the data that fping needs to do its work (sequence number, timestamp). The reported received data size includes the IP header (normally 20 bytes) and ICMP header (8 bytes), so the minimum total size is 40 bytes. Default is 56, as in ping. Maximum is the theoretical maximum IP datagram size (64K), though most systems limit this to a smaller, system-dependent number. Paul J Murphy <paul@murph.org> based on probes::FPing by Tobias Oetiker <tobi@oetiker.ch>